This is Batman 11, published by Mimosa (SA Magazine Co) +/- 1960.
It reprints the cover and the following 2 stories from DC Comics' Batman 128 (1959):
"The Interplanetary Batman"
"The Million Dollar Puzzle"
24 pages, full-colour, newsprint stock cover and interior pages.
These titles were printed in a smaller size (243x165mm) compared to the original DC Comics title.
The printing reproduction from the original was very good quality.
Here is the cover of issue 11 and DC Comics' original cover:
Mimosa Detective Comics Series
Mimosa Batman Newsprint Series